I have been in business for over 10 years and can share my experience. Of course servers are important and there is no way without it, I wouldn't use low quality and small ones, especially if you plan to scale your business. But the problem is more often in other things, for example, I had a rather difficult dilemma with the selection of software for personnel management. It is quite difficult when you have to choose between HRIS and HCM for example, it is not easy if you are not experienced in it. So I advise you to read an article on this topic here
https://ddi-dev.com/blog/it-news/hrm...n-hr-software/ , it really saved me and I was able to make up my mind. So if you also have difficulties with this it will help you to solve them.